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Chapter 6, Call Processing Subsystem
Using the CALL CONTROL Screen to test AMPS Authentication
Using the CALL CONTROL Screen to test AMPS Authentication
The process of testing AMPS authentication (IS-54) through the Call Processing
Subsystem requires the user to synchronize the base station and mobile station.
This synchronization requires that the base station and the mobile station possess
two pieces of shared secret data (SSD) to confirm a valid call. The first piece is
the
ESN of the mobile station and the second piece is the mobile station’s A-key.
The A-key is a secret 26-digit number stored in the mobile station’s semi-
permanent memory. The following sections describe how to:
• Condition the Test Set for Call Processing with Authentication
• Configure the Test Set for authentication
• Turn On The Test Set’s Control Channel
• Initialize Call Processing with Authentication
• Page a Mobile Station with Authentication
• Originate a Call with Authentication
• Perform an SSD Update
• Perform a Unique Challenge
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